5.6. 测试安装 qmail 现在应该是正在运行的状态. 首先运行 qmailctl stat 来检验那些服务启动并运行中: [root@test /]# cd /var/qmail/bin/ [root@test bin]# qmailctl stat /service/qmail-send: up (pid 3240) 493 seconds /service/qmail-send/log: up (pid 3243) 493 seconds /service/qmail-smtpd: up (pid 4151) 319 seconds /service/qmail-smtpd/log: up (pid 3247) 493 seconds messages in queue: 0 messages in queue but not yet preprocessed: 0